package com.cqupt.sendMes.utils;

import java.util.HashMap;

public class ChainableMap<K, V> extends HashMap<K, V> {
    
    public ChainableMap<K, V> chainPut(K key, V value) {
        this.put(key, value);
        return this; // 返回当前对象以支持链式调用
    }


}
